69444452 has 48 divisors (see below), whose sum is σ = 158118912. Its totient is φ = 25877280.

The previous prime is 69444443. The next prime is 69444467. The reversal of 69444452 is 25444496.

69444452 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

69444452 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2183 + ... + 11985.

It is an arithmetic number, because the mean of its divisors is an integer number (3294144).

Almost surely, 2^69444452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69444452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79059456).

69444452 is an abundant number, since it is smaller than the sum of its proper divisors (88674460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69444452 is a wasteful number, since it uses less digits than its factorization.

69444452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848 (or 9846 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 69444452 is about 8333.3337866667. Note that the first 3 decimals coincide. The cubic root of 69444452 is about 411.0353606286.

It can be divided in two parts, 694444 and 52, that added together give a palindrome (694496).

The spelling of 69444452 in words is "sixty-nine million, four hundred forty-four thousand, four hundred fifty-two".